Atlas 12 Pieces King Size Pillow Cases Covers, 20x42 Finished Size, White, 180 Thread Count, Percale Hotels, Bed & Breakfast, Resorts King Size White 180 Thread Count Percale Pillow Case, Finished Size 20x42" For Hotels, Bed & Breakfast, Motels, Resorts, Vacation Rentals Machine Wash, Tumble Dry Durable and Usable Wash After Wash 55% Cotton, 45% Polyester